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Marquise|Natural|GIA

0.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2564351846

Certificate GIA 2564351846

Diamond specifications and retailer prices

From $548 USD
As of October 28, 2026
Save $1,316 USD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,864 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564351846. Listed at 15 retailers as of October 27, 2026, with prices from $548 to $1,864, a $1,316 spread on the same certified stone. NZ Jewellers lists it at $1,864. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2564351846
Dimensions7.58 × 4.08 × 2.67 mm
L/W Ratio1.86
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
7.58 mm4.08 mm0.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2564351846
Side View
Table 57.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 65.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,864 USD|Low: $502 USD|High: $1,864 USD|Avg: $805 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 14$548 USD
Retailer 12$550 USD
Retailer 3$594 USD
Retailer 5$619 USD
Retailer 13$640 USD
Retailer 15$640 USD
Retailer 4$686 USD
Retailer 6$686 USD
Retailer 8$714 USD
Retailer 7$726 USD
Retailer 2$730 USD
Retailer 11$745 USD
Retailer 10$815 USD
Retailer 9$1,380 USD
NZ Jewellers$1,864 USD

31 data points across 15 retailers

15 retailers$548 USD to $1,864 USD

A
Cheapest Retailer
-
$548 USD
Final sale: no returns
A
Retailer 2
-
$550 USD
View
A
Retailer 3
-
$594 USD
View
A
Retailer 4
-
$619 USD
SGD 836 SGD
View
A
Retailer 5
-
$640 USD
View
A
Retailer 6
-
$640 USD
View
A
Retailer 7
-
$686 USD
View
A
Retailer 8
-
$686 USD
View
A
Retailer 9
-
$714 USD
£562 GBP
View
A
Retailer 10
-
$726 USD
View
A
Retailer 11
-
$730 USD
£575 GBP
View
A
Retailer 12
-
$745 USD
£586 GBP
View
B+
Retailer 13
-
$815 USD
€776 EUR
View
B
Retailer 14
-
$1,380 USD
£1,087 GBP
View
Most Expensive
B
NZ Jewellers
27af18b6-bcce-40f9-92fd-092055637a4b · Oct 27
$1,864 USD
View
14 more retailers have this diamond
Prices start from $548 USDSave up to $1,316 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.50ct Marquise
$548 USD